MLB Pipeline

Find out about the stars of tomorrow, from the guys who know today. Jim Callis (@jimcallisMLB) and Jonathan Mayo (@JonathanMayo) are your tour guides for this ride through the unfolding stories & breaking news in Minor League Baseball. From top prospects to scouting executives to farm directors, the MLB Pipeline is jam-packed with exclusive coverage of the minors you can't get anywhere else.

Sports
Baseball
1
The weather outside is frightful, but the baseb...
With Jim Callis and Jonathan Mayo bemoaning the frigid temps in their home towns, they warm things up by talking Spring Training and college baseball. With Major League camps getting going, they start by looking at Top 100 prospects who might have a chance to make their Opening Day rosters. From there, they dig into one of those prospects, Kristian Campbell, and how hard it is to find a historic parallel to his ascension in 2024 before shifting focus to college baseball's opening weekend and highlighting a handful of standout performances. They finish up, as always, with a question from the Mailbag
66 min
2
Back To School (Guest: Jace LaViolette)
With the college baseball season starting on Friday, the Pipeline Podcast turns its focus in that direction. Jim Callis, Jonathan Mayo and Jason Ratliff discuss the best teams and the best prospects in the nation before interviewing outfielder Jace LaViolette.
61 min
3
More Top 100 Talk (Guest: Owen Caissie)
As work continues on team Top 30 rankings (coming the week of March 3!), there are still plenty of ways to slice and dice the already-released lists.
70 min
4
Hashing Out The Top 100
MLB Pipeline released its preseason Top 100 Prospects list late last week, so Jim Callis, Sam Dykstra, Jonathan Mayo and Jason Ratliff dedicate the Pipeline Podcast to breaking down the rankings. They start with the guy at the very top, Dodgers right-hander Roki Sasaki, and where he fits among past No. 1 prospects and the best pitching prospects in recent memory. They also discuss the top of the list, the teams with the most Top 100 dudes, which prospects made the biggest upward moves in 2024 and who could follow them in 2025. The podcast finishes with the usual dip into the listener mailbag, this time for six Top 100-related questions.
62 min
5
Top 10 lists & international signings
Nearing the launch of MLB Pipeline's new Top 100, the Pipeline Podcast crew gets you ready by looking at more of their Top 10 by Position lists. This week, Jim Callis, Jonathan Mayo and Jason Ratliff dig into four lists: second base, third base, shortstop and outfield. Then the guys bring in Jesse Borek to discuss how the international signing period has been going, as Jesse answers questions about Roki Sasaki and the rest of the 2025 class. As always, the pod closes with a question from the Mailbag, this one about prospects Jim and Jonathan think the other underrates.
62 min
6
It's ranking season! (Guest: Kyle Teel)
The 2025 ranking season is underway and the MLB Pipeline Podcast wastes no time digging in to the first top 10 by position lists that have been published.
69 min
7
Polling The Executives
If it's a new year, it's time for Jonathan Mayo's annual MLB Pipeline Poll where he surveys dozens of front-office executives about several prospect-related topics.
66 min
8
Looking back, looking ahead
In the final MLB Pipeline Podcast of 2024, Sam Dykstra and Jonathan Mayo take time to review the year that was as well as look ahead to what might be.
63 min
9
Looking into the crystal ball
At MLB Pipeline, we're always in the future business, but this week's podcast episode had Jim Callis, Jonathan Mayo and Jason Ratliff really focusing on looking ahead to 2025 with what is now an annual "predictions pod." After reviewing how Jim and Jonathan fared with their 2024 predictions (not too badly, actually), they prognosticated about next year, picking everything from the 2025 Rookies of the Year to who will be the No. 1 pick in the Draft in July. Then the guys talked about the group of evaluators named Scouts of the Year, broke down the prospect returns in the Devin Williams and Kyle Tucker trades and finishing off with a question from the listener mailbag.
66 min
10
Winter Meetings Wonderland (Guest: Danny Haas)
It was a busy Winter Meetings in Dallas, and Jim Callis, Jonathan Mayo and Jason Ratliff discuss all of the action on the latest Pipeline Podcast. They start by discussing the Draft Lottery and Jim's subsequent projection of the entire first round, followed by Jonathan interviewing Danny Haas, vice president of amateur scouting for the Nationals, who came away with the No. 1 overall pick. Then they break down the flurry of trades highlighted by the blockbuster that sent Garrett Crochet to the Red Sox and four prospects (including Top 100 dudes Kyle Teel and Braden Montgomery) to the White Sox, discuss how the Rule 5 Draft went down and answer a listener mailbag question.
64 min
11
Kim, Sasaki seize spotlight as posting window o...
The MLB Morning Lineup podcast gets you up to date on all the biggest baseball news in under 10 minutes. Posting season starts Thursday, which means it shouldn't be long before KBO infielder Hyeseong Kim and NPB flamethrower Roki Sasaki join MLB clubs. MLB.com's Mandy Bell explains why they're such coveted players and what the signing process entails.
8 min
12
Prepping for the Winter Meetings
Major League Baseball's annual Winter Meetings start on Monday and the MLB Pipeline Podcast crew gets you ready for all of the potential prospect-related activity. Jim Callis, Jonathan Mayo and Jason Ratliff start out by looking at teams who are most likely to trade prospects during this Hot Stove season and why. Then they move on on to looking at the Winter Meetings through Draft-colored glasses: first the Rule 5 Draft by picking out some intriguing possible selections, then the amateur Draft by discussing the Lottery and the upcoming Draft Top 100 list before finishing up with a 2025 Draft class-related Mailbag question.
66 min
13
Roster Recaps
In the wake of teams deciding which prospects to add to 40-man rosters, the latest edition of the Pipeline Podcast focuses on those moves. Jim Callis, Jonathan Mayo and Jason Ratliff highlight the most surprising omissions (such as Guardians left-hander Ryan Webb) and the most intriguing additions (including relievers Luis Mey of the Reds and Jack Dreyer of the Dodgers). Then they discuss some of Sam Dykstra's reasons why every farm system should be thankful, talk about winter league standouts such as Mets infielder Luisangel Acuña and field a mailbag question about which players they're looking forward to seeing in person for the first time next year.
62 min
14
Awards Season (Guest: Niko Kavadas)
On this week's MLB Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff put a bow on season No. 32 of the Arizona Fall League by discussing all of the AFL's award winners, from MVP Josue Briceno (Tigers) to Pitcher of the Year Andrew Painter (Phillies). That list also included Offensive Player of the Year Niko Kavadas (Angels), who sat down with Jim in Arizona. From there, the guys take a look at MLB awards, with this year's Rookie of the Year winners leading to a discussion about the top candidates for 2025 ROY. They wrap up, as always, with a question from the Mailbag, this one about the two-way future of Royals first-rounder Jac Caglianone.
70 min
15
The Fall Guys (Guest: Garrett Martin, Yankees)
We're in the Arizona Fall League homestretch and the MLB Pipeline Podcast crew has you covered. Jim Callis, Jonathan Mayo and Jason Ratliff break down last weekend's AFL festivities, from the Home Run Derby to the Fall Stars Game, looking at top performers before hearing from one directly, with Jim sitting down with derby winner Garrett Martin
67 min
16
Fall Stars On The Horizon (Guest: Justin Crawford)
Jim Callis, Jonathan Mayo and Jason Ratliff celebrate this weekend's Fall Stars Game festivities on the latest edition of the Pipeline Podcast. They talk about which top prospects they're most excited about seeing play in Saturday's Arizona Fall League showcase and reveal which way they lean in the Final Two voting, which will add a prospect to each roster. Jim and Jonathan also draft teams from Friday's Home Run Derby field, with Jonathan grabbing Tigers slugger Josue Briceno with the No. 1 overall choice. In non-AFL matters, Jonathan interviews Phillies outfielder Justin Crawford, who's part of Team USA's roster for the upcoming Premier12 tournament, and the guys mull where Japanese pitching sensation Roki Sasaki would land on the Top 100 Prospects list if he signs with an MLB club.
58 min
17
From Fall Classic to Fall League (Guest: Termar...
While the MLB Pipeline Podcast is dedicated to prospect talk, there's no denying that the World Series is the big thing in baseball right now, so that's where Sam Dykstra, Jonathan Mayo and Jason Ratliff begin this week's episode, talking about the Fall Classic. The rest of the episode is dedicated to the Arizona Fall League, from discussing the experimental check swing challenge to top performances from the likes of the Phillies' Andrew Painter and the Tigers' Josue Briceño. In his first day of AFL coverage, Jonathan also got to catch up with the ebullient Termarr Johnson of the Pirates before he leaves the Fall League to play for Team USA in the Premier 12 tournament. The pod finishes up, as always, with a question from the listener mailbag, this time about prospects who could see a position change in their future.
67 min
18
Legends of the Fall (Guest: Tommy Troy)
On this week's Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff dig into what prospects are up to this "offseason," starting with a look at standouts from Week 2 of the Arizona Fall League. One of those AFL participants, D-backs infielder Tommy Troy, sits down for a conversation with Sam Dykstra before the guys turn their sights on prospects who will suit up for Team USA in the Premier12 Tournament and in various Winter Leagues. The guys wrap things up with looking at the World Series through prospect lenses, answering a Mailbag question about who would win an all-prospects Series between the Yankees and Dodgers.
66 min
19
Start Of The AFL Season (Guest: Zyhir Hope)
The Arizona Fall League began play last week, so that's where Jim Callis, Jonathan Mayo and Jason Ratliff turn their focus on the latest Pipeline Podcast. They discuss early top performers such as Marlins outfielder Kemp Alderman, Mariners shortstop Colt Emerson and Reds right-hander Connor Phillips; interview Dodgers outfielder Zyhir Hope, who hit the longest homer and made the best defensive play of the first week; and answer a listener mailbag question about Phillies right-hander Andrew Painter. They also break down the highest risers on the Top 100 Prospects after some end-of-season tweaks, most notably Red Sox infielder/outfielder Kristian Campbell and Rangers right-hander Kumar Rocker.
67 min
20
The Arizona Fall League is here! (Guest: Xavier...
The 32nd season of the Arizona Fall League is underway and the MLB Pipeline Podcast crew is all over it. Jim Callis, who is out in the desert covering the opening week, Jonathan Mayo and Jason Ratliff get you ready for all of the AFL action.
59 min
21
Awards and the postseason (Guest: Quinn Mathews)
It might seem as if the prospect season is over, but it's far from it! Jim Callis, Jonathan Mayo and Jason Ratliff were buzzing with talk of award-winning prospects and those (present and former) playing in the MLB Postseason. This week's pod kicked off with a discussion of some of the recently-announced MiLB Awards winners, from Hitter of the Year Kristian Campbell of the Red Sox to Pitcher of the Year Quinn Mathews of the Cardinals, who joined Jonathan for a conversation about his extremely successful first season of pro ball. Then the guys took a closer look at rookies who could have a big impact in the playoffs and how each of the 12 postseason teams were built. And they wrap up with a Mailbag question about Padres 17-year-old phenom Leodalis De Vries.
64 min
22
Rosters Of The Fall (Guest: Bryce Eldridge)
With the Arizona Fall League set to begin play on Oct. 7, Jim Callis, Jonathan Mayo and Jason Ratliff use the latest edition of the Pipeline Podcast to discuss the many quality prospects headed to the developmental circuit. They focus on the 14 Top 100 Prospects set to attend, headlined by Royals first baseman Jac Caglianone and Padres catcher Ethan Salas, and identify a few sleepers before interviewing another Top 100 dude headed to the desert in Giants first baseman Bryce Eldridge. The guys also discuss Jonathan's rankings of the top 20 high schoolers for the 2025 Draft (starting with Jackson Holliday's younger brother Ethan) and the Tigers' promotion of the game's top pitching prospect (Jackson Jobe), then answer a listener mailbag question about potential AFL MVPs.
55 min
23
Finally, the final finalists
As the 2024 season reaches its conclusion, it seems a great time for Jim Callis, Jonathan Mayo and Jason Ratliff to look at the best prospect performances of the year, with a nod to the September 30 MiLB Awards show on MLB Network. They kicked things off by discussing the finalists for hitting and pitching prospects of the year. The guys then dug a bit deeper by breaking down candidates for breakout prospect of the year before looking much further ahead by peeking at the top 20 college players for the 2025 Draft before finishing with a Mailbag question about a 2024 college draftee, Rockies outfielder Charlie Condon.
48 min
24
Dudes On The Move (Guest: Kristian Campbell)
Jim Callis, Jonathan Mayo and Jason Ratliff discuss several notable promotions on the latest edition of the Pipeline Podcast, including No. 3 overall prospect Walker Jenkins (Twins) to Double-A and Jasson Dominguez and Kumar Rocker to the big leagues.
48 min
25
Crews-ing for prospects
The big news in prospect-land this week is the debut of Nationals' top prospect Dylan Crews, and Sam Dykstra and Jonathan Mayo are all over his callup on this week's MLB Pipeline Podcast, breaking down the 2023 No. 2 overall pick's game and first full season of pro ball. From there, Sam and Jonathan head to Montgomery, where the Biscuits have perhaps the most prospect-laden lineup in the Minors, something they discuss with Biscuits broadcaster Jack Sadighian. The Rays also top a list of farm systems ranked by infield prospect talent and the guys discuss that and other organizations on that list before debating the merits of adding Rangers right-hander Kumar Rocker to the Top 100 and answering a question from the listener mailbag about the Rockies' Chase Dollander.
64 min